INDUCTION OF GEOTRICHUM-CANDIDUM LIPASE BY LONG-CHAIN FATTY-ACIDS

被引：62

作者：

SHIMADA, Y

SUGIHARA, A

NAGAO, T

TOMINAGA, Y

机构：

[1] Osaka Municipal Technical Research Institute, Joto-ku, Osaka, 536, 1-6-50, Morinomiya

来源：

JOURNAL OF FERMENTATION AND BIOENGINEERING | 1992年 / 74卷 / 02期

关键词：

D O I：

10.1016/0922-338X(92)80004-3

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Geotrichum (G.) candidum produces two extracellular lipases, I and II. Long-chain fatty acids and their esters induced lipase production, while middle- and short-chain fatty acids and their esters did not. Lipase production increased with the chain length of the fatty acid, and long-chain unsaturated fatty acid esters were the most effective. Northern hybridization showed that the genes of lipases I and II were transcribed in the medium containing oleic acid, and that there was more lipase II mRNA than lipase I mRNA. Since fatty acid is a metabolite of its esters, it is suggested that long-chain fatty acids participate in the expression of G. candidum lipase genes.

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页码：77 / 80

页数：4

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